Canadian Forest Service Publications
Larger black spruce cones produce more and heavier seeds. 1995. Haavisto, V.F.; Skeates, D.A. Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario. Frontline Technical Note 30.
Year: 1995
Issued by: Great Lakes Forestry Centre
Catalog ID: 9203
Language: English
Series: Frontline Technical Note (GLFC - Sault Ste. Marie)
Availability: PDF (download)